Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Trusted Chimney Repair for Ashburn Homeowners
Ashburn Chimney Repair typically costs between $350 and $2,800 depending on what the camera finds, with mortar repointing and flashing work on the lower end and partial rebuilding at the top. We’ve been inspecting and repairing chimneys in Loudoun County since 2009, and our technicians are background-checked, uniformed, and trained to the NFPA 211 Level 2 standard on every single visit. If you’re seeing spalling brick, water stains on the ceiling near the fireplace, or mortar joints that look like sand, call (240) 220-9412 and we’ll give you a written price before any work starts.
What Our Chimney Repair Service Includes
Every repair starts with a camera down the flue. That’s not an upsell at Level Two Chimney Ashburn – it’s Clause 4 of the Haven Standard, and it’s been our default since 2009. You see what we see, and you get a written scope with a written price before a single brick is touched. Here’s what we actually do under the heading of chimney repair.
Mortar Repointing
Mortar repointing is the process of grinding out deteriorated mortar joints and replacing them with fresh mortar that matches the original in strength and color. In Ashburn, the freezing winters and humid summers work mortar hard – water gets into hairline cracks, freezes, expands, and pops the joints loose. We cut back to sound mortar, usually 3/4 of an inch deep, and repack the joint with a mix specified for the age and hardness of your brick. The result is weathertight and you’d have to look close to see where the work ends and the original chimney begins.

Spalling Brick Repair
Spalling brick repair is needed when the face of a brick flakes off, sometimes leaving a pile of reddish dust at the base of the chimney. It’s almost always water damage – moisture saturates the brick, freezes, and the expansion shears off the surface. In Ashburn neighborhoods like Ashburn Farm and Broadlands, we see it most often on chimneys that were built without a proper cap or where the crown has cracked open. We remove the damaged brick, replace it with a matched brick where possible, and when the spalling is widespread, we’ll talk honestly about whether spot repair or a partial rebuild is the smarter money.

Chimney Waterproofing
Chimney waterproofing is a penetrating sealant applied to the exterior masonry that lets water vapor out but doesn’t let rain in. It’s not paint – paint traps moisture inside the brick and makes spalling worse in Ashburn’s freeze-thaw cycles. We use a siloxane-based water repellent that chemically bonds to the masonry. Before we apply it, we make sure the crown, cap, and flashing are sound; waterproofing a chimney with a cracked crown is like caulking around a broken window.

Flashing Repair
Flashing is the metal barrier where the chimney meets the roof, and it’s the most common source of chimney leaks in Ashburn homes. Step flashing, counter flashing, and the apron all work together to direct water away from the chimney chase. We remove the old flashing, inspect the underlying sheathing for rot, and install new flashing cut to the roofline and sealed with an appropriate sealant. When we’re done, we test with a hose before we call it finished and you get photos of the whole waterproofing plane.

Chimney Rebuilding
Chimney rebuilding is what happens when the top several courses of brick have spalled, the mortar has failed, and the structure is no longer stable enough to hold a crown or a cap. We take the chimney down to sound masonry and rebuild it with matching brick, a new crown with a proper drip edge, and a new cap. It’s the most expensive repair in the category, but done right it’ll outlast the rest of the house. We’ll show you the camera footage of the cracked liner or the crumbled shoulder before we ever recommend it, and you’ll get a written price with a written warranty under the Haven Standard.

Tuckpointing
Tuckpointing is the cosmetic cousin of repointing – it’s done when the brick itself is fine but the mortar lines have taken on water, and you want the chimney to look right and shed water properly. The term gets thrown around loosely, but in the trade it means cutting mortar and replacing it to a tight line, often with a contrasting color for a crisp look. We do both functional repointing and decorative tuckpointing, and we’ll tell you honestly which one your chimney actually needs instead of selling you the more expensive option by default.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Brands We Service for Chimney Repair

We work with DuraFlex liner systems so frequently that we keep their components in stock, which matters when your chimney inspection turns up a cracked clay liner and you want repair rather than a full replacement. DuraFlex’s stainless steel and aluminum liners are what we specify for most Ashburn chimney relining jobs, and the written warranty on the material is backed by our 365-Day Done Right Promise on the labor. If you have a DuraFlex liner already installed, we can pull its service history and confirm whether it’s under manufacturer warranty.
For caps, dampers, and chase covers, we use Famco and Copperfield products because they hold up to Mid-Atlantic weather and their specs are honest. A chase cover that warps after two winters is a false economy, and in the wind and rain that hits eastern Loudoun County in the shoulder seasons, you feel the difference. Whether you have Famco, Copperfield, Olympia Chimney components, or any other make, the camera tells us what’s worn out, and the written quote tells you what it costs before you commit.
Before
AfterSigns You Need Chimney Repair Right Now
- Water in the firebox after rain. If the inside of your fireplace is damp or puddled after a storm, your flashing or your crown has failed. Water running through the flue accelerates creosote breakdown and rusts the damper, and water pooling in the firebox will find its way into the smoke chamber and eventually the framing around the chase. This is the one to act on before the next rain.
- White staining on the exterior brick. Efflorescence, that chalky white residue, is dissolved salt being carried to the surface by water moving through the masonry. It means the brick is saturated below the surface. In Ashburn’s freeze-thaw climate, that’s spalling waiting to happen, and a waterproofing treatment after the leak source is fixed is the fix.
- Flakes of brick or mortar on the roof or ground. If you find red chips or sandy grit near the base of the chimney, the masonry is already spalling. You’re in the repair window now – wait another season and the damage walks down the chimney course by course until it’s a partial rebuild instead of a repoint.
- A musty smell from the fireplace in summer. Humid air pooling inside a chimney with a failed damper or missing cap creates a smell like wet ash and old basement. It means the flue isn’t keeping the weather out, and what you can smell is elevated moisture touching creosote and the interior masonry. A camera inspection finds the entry point quickly.
- Visible gaps between the chimney and the house. If you can see daylight between the chimney body and the roofline, or the flashing has pulled away, water is getting behind the siding and into the roof deck. In Ashburn homes with aluminum or vinyl siding, this can quietly rot the chimney chase before you ever see a ceiling stain.
Our Chimney Repair Process - Step by Step

Every repair job we do in Ashburn follows the same sequence, and nothing is ever skipped. You’ll know what we found, what it costs to fix, and what it looks like when we’re done – before we’re done.
- 1
Camera-scan inspection. We run a camera down the flue and up through the firebox to see liner condition, mortar joint integrity, and damper function. You get to see the footage in real time. This is NFPA 211 Level 2, and it’s included on every level two chimney visit, not an add-on.
- 2
Written findings and written price. We walk you through what we found, what it means, and what it costs to fix. No oral estimate, no pressure to sign the same day. If you have another company’s written estimate, bring it – we’ll give you a free second opinion on it under the Haven Standard.
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Scheduled repair with a named technician. When you’re ready to proceed, you get the name of the tech assigned to your job and a text when they’re en route. Our crews are background-checked, uniformed, and licensed; the license number is printed on every page of your paperwork.
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The work itself. Repointing, spalling repair, flashing, waterproofing, rebuilding – whatever was in the written scope gets done exactly to that scope. We don’t surprise you with “while we’re here” add-ons. If we find something that legitimately can’t wait and wasn’t in the scope, we stop, show you the camera evidence, and let you decide.
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Documented photo record and written warranty. When the repair is complete, you receive a photo record of the work – before, during, and after shots – along with the written warranty and a copy of the scope. Clause 4 of the Haven Standard means you walk away with the documentation, not just a handshake.
How Much Does Chimney Repair Cost in Ashburn?
A typical chimney repair in Ashburn runs between $350 and $2,800. Mortar repointing of a single chimney crown or a few courses of brick starts around $350 to $700. Flashing repair on a standard asphalt shingle roof is usually $425 to $950 depending on whether we’re replacing step flashing, counter flashing, or both. Chimney waterproofing runs $300 to $600 for a standard masonry chimney after the leak source is addressed. A partial rebuild above the roofline is the big one – $1,800 to $2,800 is typical in Ashburn when the top courses are gone and we’re rebuilding the shoulder, crown, and cap.
What drives the price up is access. A chimney in the middle of a steep 12/12 roof costs more to reach safely than one at the gable end of a wide ranch in Ashburn Village. The condition of the underlying masonry matters too – if the brick has spalled so badly there’s nothing sound left to point, you’re in rebuild territory. The way to avoid overpaying is to get a camera-scan inspection with a written price, and to ask for the photo record before you pay. Every estimate we write includes the scope, the materials, and the warranty – in writing, before work starts.
Chimney Repair Near Ashburn - Our Service Area

We serve Ashburn, Sterling, Herndon, Leesburg, Reston, and the surrounding Loudoun and Fairfax communities. If you’re in Ashburn proper, you’re usually within our primary service window. Homeowners in Sterling and Herndon are also within easy reach, and we regularly run inspections in the broader Northern Virginia area. Typical scheduling in Ashburn is 3 to 5 business days for non-emergency repairs, and our phone line is live 24/7 if you need to ask a question.
Serving Ashburn, VA - Our Local Coverage Area
We’re based in the Ashburn area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Chimney Repair in Ashburn

Chimney repair is the process of restoring the structural and functional integrity of a chimney’s masonry, liner, crown, cap, and flashing. At Level Two Chimney Ashburn, it starts with a camera-scan inspection to identify exactly what’s failed, then a written price for the specific repair. You get a photo record when the work is done, and the work is backed by our 365-Day Done Right Promise. Call (240) 220-9412 to book an inspection with a free estimate.
Most chimney repairs in Ashburn take one day, from repointing a crown to replacing a full flashing system. Partial rebuilds can take two days because the mortar needs time to set before the crown is poured. We schedule the work with a named technician and text you when they’re on the way. Call (240) 220-9412 and we’ll give you a written timeline with your written price.
Chimney repair in Ashburn runs $350 to $2,800, with the most common jobs – repointing, flashing repair, and waterproofing – landing between $350 and $950. Partial rebuilding above the roofline is $1,800 to $2,800 depending on access and how many courses need replacing. The price is always written before work starts, and you get a free second opinion if you bring us a competitor’s written estimate. Call (240) 220-9412 for a specific quote on your chimney.
We service any masonry or prefabricated chimney, regardless of brand. For liner systems, caps, and dampers we work most often with DuraFlex, Famco, Copperfield, and Olympia Chimney components, and we keep their parts in stock for faster repairs. The camera inspection tells us what’s failed regardless of who made it. Call (240) 220-9412 and we’ll tell you what you actually need.
If water is actively entering your home through the chimney during a storm, that’s a call-now situation – the damage is compounding with every rain. If you have a cracked crown or spalling brick but no active leak, it’s urgent enough to schedule within a week or two, but it’s not a run-out-in-the-rain emergency. Our phone line is live 24/7, and we’ll give you an honest assessment over the phone. Call (240) 220-9412.
Every repair we do is backed by the 365-Day Done Right Promise – if it’s not done right, we make it right, no fine print. Your warranty is written, not verbal, and it’s stamped on the job sheet under the Haven Standard. Material warranties from DuraFlex, Famco, and Copperfield are passed through to you in the paperwork you get at the end of the job.
Clear a path to the fireplace and the exterior chimney chase, and move any furniture away from the hearth. The tech will need access to the roof and to the firebox, so unlock any gates and let us know if you have a dog in the house. You don’t need to move anything else – we bring our own drop cloths, ladders, and all tools. We’ll call or text when we’re on the way.
Schedule Your Chimney Repair Service in Ashburn Today
If your chimney is leaking, spalling, or shedding mortar, get a camera-scan inspection and a written price before you spend a dollar. We’ll show you exactly what’s wrong, what it costs to fix, and we’ll put it all in writing. Call (240) 220-9412 for a free estimate with no obligation – and if you have another company’s written quote, bring it and we’ll give you a free second opinion under the Haven Standard.
Written by Corrine Halstead, Owner at Level Two Chimney Ashburn, serving Ashburn since 2009.





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